build(deps-dev): bump pygments from 2.14.0 to 2.15.0

Bumps [pygments](https://github.com/pygments/pygments) from 2.14.0 to 2.15.0.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](pygments/pygments@2.14.0...2.15.0)

---
updated-dependencies:
- dependency-name: pygments
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pyproject.toml

@@ -62,7 +62,7 @@ doc = [
 ]
 test = [
     "nose==1.3.7",
-    "pygments==2.14.0",
+    "pygments==2.15.0",
     "pytest==7.3.0",
     "pytest-cov==4.0.0",
     "pytest-mock==3.10.0",

requirements-dev.txt

@@ -22,7 +22,7 @@ sphinx-tabs==3.4.1
 furo==2023.3.27
 # test
 nose==1.3.7
-pygments==2.14.0
+pygments==2.15.0
 pytest==7.3.0
 pytest-cov==4.0.0
 pytest-mock==3.10.0